Lee Seung Gi (Gu Family Book) stars in this police comedy as a rookie detective with a genius IQ who ends up butting heads with the hot-tempered team leader of the crime squad, played by Cha Seung Won (Greatest Love). Go Ah Ra (Answer Me 1994) and Ahn Jae Hyun (My Love From Another Star) also star as fellow rookie detectives in this police station in Gangnam, Seoul.